Business
Mining

Cave Carbonato Calico

Marco Del Corno

Pulvitec Mining

Félix Beltrán

Marcona Mining Corporation

Robert Pease

Klöpfer

Hanns Lohrer

ICOMI – Indústria Comércio de Minérios

Aloísio Magalhães

Icomi Minérios

PVDI

Companhia General de Minas

Alexandre Wollner